Z-8696 Map 4STORMWATER DETENTION CALCS
TOTAL AREA (A) = 0.51 ACRES (+/-)
AREA (PAVEMENT) = 0.38 ACRES (+/-)
AREA (LANDSCAPED/TURFED) = 0,13 ACRES
C undeveloped = 0.61
C developed = 0.85 (weighted "C" for combined paved and landscaped areas)
NOTE: HALLOF ANY WORKCIN THE PUBLIC C RIG5H7-OF WAY F'R ORINSPTO PEACEOMENT
OF CONCRETE OR ASPHALT.
PROVIDE NEW S WIDE CONCRETE SIDEWALK
ALONG BACK OF NEW CURB AND GUTTER
PROVIDE NEW 10' WIDE CONCRETE SIDEWALK
TO TIE NEW PARKING LOT TO EXISTING COVERED
Q undeveloped = CIA = (0.61)(7.51nthr)(0,51) = 2.33 cfs PROVIDE CLEAN/NEAT CUT INTO ENTRANCE WALK INTO HEADQUARTERS BUILDING
ASPHALT
Q developed = CIA = (0.85)(7.5 in/hr)(0.51) = 3.25 cfs OFI NG DRIVE TO CONS TRUOCT NG NEW EDGE
Q difference = 0.92 cfs 6" THICK CONCRETE ENTRANCE CONSTRUCT NEW WROUGHT IRON OR ALUMINUM - --
APRON FENCE ACROSS FRONT OF PROPERTY AND ALONG
V required detention = Q difference A tc 60 = (0.92)(0.51)(11)(601= 309,67 cubic feet required EXISTING CHAIN LINK FENCE AND ABUT CORNER
OF EXISTING BUILDING
1339 00 TOP CURB
V provided detention. = 2007.98 cubic feet 133E 50 GUTTER 133' M TOP CURB
733f.5U Citlf 1'ER 1337.00 TOP Cl1Ri
Wes[ 40if1 Street 133E.50 GUTTER
/ NE Corner
C/ SEX 5E'/. Sec.14
T-1-N. R-13-W
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4 N 86"5749" W 54.60 .5.40
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LU / ' GUTTER - T PIC L ALONG
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N / ° 1 ENTIRE PE [MEER OF NEW / Li, Iola 1 PARKING L T
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1332,00 TOP CURB
ih" S C3itlOie 1332.00 GUTTER
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/ I / 1333.50 TOPGUI CURE ^I h
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STORMWATER DETENTION
/ AREA - VOLUMNE PROVIDED
1800 C.F.
i
/ 1333.50 OP / CURB. 1 13"s300 GUT GUTT'cR 1
1 iO" R.Ci1 O$k.
REMOVE EXISTING 30" DIA / / i 1331 P75 GUT
SYCAMORE - REMOVE ENTIRE 1
ROOT SYSTEM AND BACKFILL
W/SELECT FILL ( uy Wi es i 1
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Lid 3341 J,i' Hier role /
a / /
1"i35.00 TOP - R8
1334.50 C R 1232.00-TOP CURB/ i332.00 TOP GURB
133� / / 1331.25 GUTTER
PROVIDE 2' WIDE CURB CUT
STORM DETENTION RELEASE
W/6" THICK x 4' WIDE x 8' LONG
/ RIPRAP ON FILTER FABRIC
RELOCATE EXISTING GUY WIRES
/ CONTRACTOR TO COORDINATE
WITH ELECTRICAL COMPANY
SCALE: V=20'-0"
NOTE:
20 10 0 20 40FT
1. SEE NOTES ON SHEET C1.02 FOR SPECIFIC NOTES REGARDING EXCAVATION AND DEMOLITION.
2. CONTRACTOR SHALL VISIT SITE AND CONDUCT THOROUGH SITE INVESTIGATION WITH DRAWINGS SCALE: 1'= 20'
PRIOR TO BIDDING THE SITE PACKAGE.
3. CARE SHALL BE TAKE TO PRESERVE ALL SET SURVEY MARKERS/BENCHMARKS ON SITE DURING
DEMOLITION ACTIVITIES.
GENERAL CONSTRUCTION NOTES
A. The contractor will be held solely responsible for damage
E.
Contractor is to remove and dispose of all debris, rubbish
occurring to any property during the construction of this
Said take
and other materials resulting from previous and current
project. contractor shall all necessary pre-
cautions to prevent property damage.
demolition operations. Disposal will be in accordance
with all local, state and/or federal regulations governing
B. In accordance with generally accepted construction
practices, the contractor wilr be solely and completely
such operations.
responsible for conditions of the job site, including safety
F.
Prior to installation of any utilities, the contractor is
to excavate, verify, and calculate all crossings and
of all persons and property during performance o the
work. This requirement will apply continuously and not
inform the any and all Utilities of any conflicts prior
be limited to normal working hours.
to construction.
The duty of Central Arkansas Water to conduct construction
of
G.
Construction shall not start on any water utility tie-ins until
approval is by Central Arkansas Water Utility. Said
inspection or review of the contractors performance
is not an or review of the adequacy of the
contractor's safety measures in, on, or near the construction
given
contractor shall not operate any valve, hydrant, or water
utility appurtenance nor shall he attach to or tapany
hall
site.
water utility main without approval. The contractor
bear the cost and consequence of any disruption of
C. All water and sewer improvements shall be constructed
utility operation caused by construction.
in accordance with the latest revision to the Central
Arkansas Water and City of Little Rock (Sanitary Sewer)
H.
Fiber optic cables on and/or adjacent to this site
P J
Standard Specifications (respectively).
(Lot 4) were not located by the survey and are
not shown. It is the responsibility of the contractor
D. The contractor is specifically cautioned that the location
to locate any fiber optic cables associated with this
and/or elevation of existing utilities as shown on these
site and take all necessary and required precautions
plans is based on records of the various utility companies
to protect any existing fiber optic cables. Contractors
and, where possible, measurements taken in the field.
shall coordinate all efforts with owner of fiber
The information is not to be relied on as being exact
optic cables or their designated represenative.
or complete. The contractor must call the appropriate
utility company at least 48 hours before any excavation
to request exact field location of utilities. It shall be
J.
The Contractor is responsible for contacting "OneCall"
the responsibility of the contractor to relocate all existing
service prior to mark all utilities prior to an demolition,
p p y
utilities which conflict with the proposed improvements
earthwork, or utility work on the site.
shown on the plans.
UTILITIES
SANITARY SEWER:
LITTLE ROCK WASTEWATER
501-688-1452 (ENGINEERING)
501-223-1509 (EMERGENCY)
WATER:
CENTRAL ARKANSAS WATER
221 EAST CAPITOL
LITTLE ROCK, ARKANSAS
501-372-5161
ELECTRIC:
ENTERGY ARKANSAS, INC.
425 WEST CAPITOL AVENUE
LITTLE ROCK. ARKANSAS
501-377-4000
NATURAL GAS:
CENTERPOINT ENERGY
400 WEST CAPITOL #600
LITTLE ROCK, ARKANSAS
888-498-0409
REMOVE EXISTING 30" DIA '
SYCAMORE - REMOVE ENTIRE
ROOT SYSTEM AND BACKFILL
W/SELECT FILL
PROVIDE INTERNAL LANDSCAPED -
ISLAND (685 S.F.) W/ 4 TREES - (2)
RED MAPLE AND (2) ILLOW OAK
PROVIDE EDGEING ALONG ENTIRE
PERIMETER OF ISLAND TO CONTAIN
MULCH
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PROVIDE NEW 30' WIDE ELECTRONIC
CONTROLLED WROUGHT IRON SLIDING
GATE ACROSS EACH ENTRANCE
LANDSCAPED AREA BETWEEN EXISTING
SIDEWALK AND NEW CONCRETE CURB
AND GUTTER (23) SHRUBS AND (4) TREES
\ L - 9'-0"MIN
West
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9' WIDE LANDSCAPE BUFFEJR BETWEEN EXISTING
FENCE AND EDGE OF NEW rARKING LOT CURB
AND GUTTER
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SS 1I f N 86'53'36" W 38
Lid 334.40 Power Pule
PROVIDE INTERNAUCORNER LANDSCAPED
ISLAND (380 S.F.)
L.
NE Corner
SE X SE X Sec.14
T-1-N. R-13-1N
N 86'; 749" W 54.60
. 9
5,40
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'WIDE (MIN) LANDSCAPE BUFFER BETWEEN EXISTING \
FENCE AND EDGE OF NEW PARKING LOT CURB
AND GUTTER
PROVIDE INTERNAL/CORNER LANDSCAPED CONNECT NEW 6' HI WOOD PRIVACY FENCE TO
ISLAND (340 S.F.) EXISTING WROUGHT IRON FENCE
EXISTING 30" DIAMETER RED OAK
TREE TO REMAIN
SCALE. 1 "=20'-0"
1. ALL LANDSCAPING SHALL COMPLY WITH CITY OF LITTLE ROCK LANDSCAPING ORDINANCE (Sec. 15-100) 20 10 0 20 40FT
AND ZONING REGULATIONS.
SCALE 1"= 20'
2. ALL LANDSCAPED AREAS OF THE SITE SHALL BE CONSTRUCTED WITH AN AUTOMATIC
SPRINKLER IRRIGATION SYSTEM AS PART OF THE LANDSCAPING SUBCONTRACT.
3. ALL TREES SITE PERIMETER TREES SHALL PROVIDE AN (8) EIGHT FOOT HEIGHT CLIMB LANDSCAPING CALCULATIONS
CLEARANCE EXCEPT MULTI -TRUNK SPECIES, WHICH SHALL BE INSTALLED AND MAINTAINED
AS NOT TO CREATE OBSTRUCTIONS TO VEHICULAR OR PEDESTRIAN TRAFFIC. TOTAL INTERIOR PAVED AREA = 15,960 S.F. (+/-)
ILII
4. GENERAL CONTRACTOR SHALL PROVIDE SCHEDULE 40 PVC SLEEVING 4" OR 6" UNDER ALL REQUIRED INTERIOR LANDSCAPING = (8%) x 15,960 S.F. = 1276.80 S.F. V
DRIVES AND PAVED AREAS FOR IRRIGATION PIPING. SLEEVING SHALL BE BURIED A MINIMUM
OF 18" BELOW GRADE AND THE ENDS OF THE SLEEVES CLEARLY MARKED BY THE GENERAL TOTAL INTERIOR LANDSCAPING PROVIDED = 1405 S.F. 340 SW CORNER,
CONTRACTOR AND SHALL EXTEND OUT A MINIMUM OF 18" PAST ANY CURB OR PAVING. 380 SE CORNER, 685 S.F. INTERIOR ISLAND)
5. PROVIDE MULCH AND EDGING IN ISLANDS AND AROUND BASE OF ALL LANDSCAPED AREAS
AROUND NEW PARKING LOT PERIMETER.
LANDSCAPING LEGEND
ALTERNATING RED MAPLE (2" MIN
CALIPER) AND FOSTER HOLLY (2" MIN
CALIPER)
(12 TOTAL)
WILLOW OAK (2" MIN
CALIPER)
(6 TOTAL)
ALTERNATING DWARF YAUPN
HOLLY (3 GALLON) AND
COMPACT BURNING BUSH (5
GALLON)- 18" MINIMUM HEIGHT
(69 TOTAL)
NOTE: 30 FEET FROM CENTER OF 40TH STREET RIGHT-OF-WAY
TO BE DEDICATED TO CITY OF LITTLE ROCK PRIOR TO COMPLETION
OF PARKING LOT CONSTRUCTION FOR ISSUANCE OF CERTIFICATE
OF OCCUPANCY. DEDICATION MUST BE PROVIDED TO PUBLIC WORKS,
CIVIL ENGINEERING.
O F A(JTy
: _
PHILLIP LENS
UI
ENGINEERING, INC ;
No. 566
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REVISIONS:
DATE: MAY 2014
SHEET:
C1,2